boisterous

(of people, animals or behaviour)noisy and full of life and energyIt was a challenge, keeping ten boisterous seven-year-olds amused.The children and the dogs raced out of the house to give me a boisterous welcome.See related entries:EnergeticWord Originlate Middle English (in the sense ‘rough, stiff’): variant of earlier boistuous‘rustic, coarse, boisterous’, of unknown origin.